128973903

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 181162800

約数和(自身を除く): 52188897

約数列:

[1, 3, 23, 69, 181, 449, 529, 543, 1347, 1587, 4163, 10327, 12489, 30981, 81269, 95749, 237521, 243807, 287247, 712563, 1869187, 5607561, 42991301, 128973903]

約数ペア:

[(1, 128973903), (3, 42991301), (23, 5607561), (69, 1869187), (181, 712563), (449, 287247), (529, 243807), (543, 237521), (1347, 95749), (1587, 81269), (4163, 30981), (10327, 12489)]